ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,816, issued on Feb. 24, was assigned to Marvell Asia Pte Ltd (Singapore).

"Optical transceiver with multimode interferometers" was invented by Yun Wang (Ottawa), Hong Cai (San Jose, Calif.), Nathan Lin (San Jose, Calif.) and Jie Lin (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical transceiver includes optical circuitry disposed on a substrate and comprising a transmitter and a receiver. The circuitry includes least one multi-mode interferometer (MMI), including a multi-mode waveguide comprising an input face and an output face, the input and output faces being bisected by a longitudinal axis, the multi-mode waveguide ha...